If you loved Guinea Pig Part 5: Android of Notre Dame, try Woman in a Box: Virgin Sacrifice
A bridge between a film you've already seen and one most people haven't. Woman in a Box: Virgin Sacrifice has roughly 3.1× fewer votes than Guinea Pig Part 5: Android of Notre Dame — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

Guinea Pig Part 5: Android of Notre Dame

Woman in a Box: Virgin Sacrifice
What they share
Theyboth carry the body horror, dread, unhinged mood tags, and they sit in Horror territory. If that's the register that drew you to Guinea Pig Part 5: Android of Notre Dame, the second film will land in a comparable space — through a different lens.
What Woman in a Box: Virgin Sacrifice is
Basement. Hum of cicadas. A toolbox. Bound and gagged, a young woman awakens inside a cramped crate. Her captors, a man and woman, enact a perverse ritual of control. Konuma’s mondo-exploitation functions as a deranged missing-persons PSA.